4.3.1 筒体多余面积 ....................................................................................................... 18 4.3.2接管的多余面积 .................................................................................................... 18 4.3.3焊缝金属截面积 .................................................................................................... 18 4.4.补强面积 ........................................................................................................................... 18
结束语 ........................................................................................................................................ 19 主要参考资料 ........................................................................................................................ 19
符号说明:
A----鞍座底板中心线至封头切线的距离,mm;
B----设计温度下,按GB150外压设计方法确定的数值,MPa;
2
Bo----常温下,按GB150外压设计方法确定的数值,MPa;
Di----筒体内直径,mm; Do
----筒体外直径,mm;
F----每个支座的反力,N;
K1 K9
----系数,查表71,79:;
L----封头切线间的距离;
M1
----圆筒中间处的轴向弯矩,N m;

